Alpinestars ZX Series EVO Lines layers are constructed with Lenzing FR®; an innovative natural viscose fiber that affords exceptional flame resistance and protection against heat transfer. This Formula 1 specification underwear is extremely lightweight and thin, while being incredibly soft to the touch for greatly enhanced comfort when wearing a driving suit. - Certified to FIA 8856-2000 homologation standards
- Formula 1 specification underwear, constructed using an innovative flame resistant technology developed by Alpinestars. Lenzing FR® is a special natural viscose fiber with unique thermal insulation and permanent flame resistance properties that help prevent heat stress and heat stroke.
- Special material formulation is more breathable and has better elastic properties than conventional fabrics.
- Fabric construction is soft to the touch ensuring a pleasant feel against the skin.
**Complies with FIA standard 8856-2000**